package com.neusoft.elm.view.impl;
import java.util.List;
import java.util.Scanner;
import com.neusoft.elm.dao.FoodDao;
import com.neusoft.elm.dao.impl.FoodDaoImpl;
import com.neusoft.elm.po.Food;
import com.neusoft.elm.view.FoodView;
public class FoodViewImpl implements FoodView{
 
 private Scanner input = new Scanner(System.in);
 @Override
 public List<Food> showFoodList(Integer businessId) {
 FoodDao dao = new FoodDaoImpl();
 List<Food> list = dao.listFoodByBusinessId(businessId);
 System.out.println("食品编号\t食品名称\t食品介绍\t食品价格");
 for(Food food : list) {
 
System.out.println(food.getFoodId()+"\t"+food.getFoodName()+"\t"+food.getFoodExplain()+"\t"+food.getFoodPrice());
 }
 return list;
 }
 
 @Override
 public void saveFood(Integer businessId) {
 Food food = new Food();
 System.out.println("请输入食品名称：");
 food.setFoodName(input.next());
 System.out.println("请输入食品介绍：");
 food.setFoodExplain(input.next());
 System.out.println("请输入食品价格：");
 food.setFoodPrice(input.nextDouble());
 food.setBusinessId(businessId);
 
 FoodDao dao = new FoodDaoImpl();
 int result = dao.saveFood(food);
 if(result>0) {
 System.out.println("\n新增食品成功！\n");
 }else {
 System.out.println("\n新增食品失败！\n");
 }
 }
 
 @Override
 public void updateFood(Integer businessId) {
 FoodDao dao = new FoodDaoImpl();
 List<Food> list = showFoodList(businessId);
 
 if(list.size()==0) {
 System.out.println("没有任何食品！");
 }else {
 System.out.println("请选择要更新的食品编号：");
 int foodId = input.nextInt();
 Food food = dao.getFoodById(foodId);
 System.out.println(food);
 
 String inputStr = "";
 System.out.println("是否更新食品名称(y/n)：");
 inputStr = input.next();
 if(inputStr.equals("y")) {
 System.out.println("请输入新的食品名称：");
 food.setFoodName(input.next());
 }
 
 System.out.println("是否更新食品介绍(y/n)：");
 inputStr = input.next();
 if(inputStr.equals("y")) {
 System.out.println("请输入新的食品介绍：");
 food.setFoodExplain(input.next());
 }
 
 System.out.println("是否更新食品价格(y/n)：");
 inputStr = input.next();
 if(inputStr.equals("y")) {
 System.out.println("请输入新的食品价格：");
 food.setFoodPrice(input.nextDouble());
 }
 
 int result = dao.updateFood(food);
 if(result>0) {
 System.out.println("\n修改食品成功！\n");
 }else {
 System.out.println("\n修改食品失败！\n");
 }
 }
 }
 
 @Override
 public void removeFood(Integer businessId) {
 FoodDao dao = new FoodDaoImpl();
 List<Food> list = showFoodList(businessId);
 
 if(list.size()==0) {
 System.out.println("没有任何食品！");
 }else {
 System.out.println("请选择要删除的食品编号：");
 int foodId = input.nextInt();
 
 System.out.println("确认要删除吗(y/n)：");
 if(input.next().equals("y")) {
 int result = dao.removeFood(foodId);
 if(result>0) {
 System.out.println("\n删除食品成功！\n");
 }else {
 System.out.println("\n删除食品失败！\n");
 }
 }
 }
 }
}